package com.shiyi.shiyiaiagent.rag;

import lombok.extern.slf4j.Slf4j;
import org.springframework.ai.document.Document;
import org.springframework.ai.reader.markdown.MarkdownDocumentReader;
import org.springframework.ai.reader.markdown.config.MarkdownDocumentReaderConfig;
import org.springframework.core.io.Resource;
import org.springframework.core.io.support.ResourcePatternResolver;
import org.springframework.stereotype.Component;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

@Component
@Slf4j
public class LoveAppDocumentLoader {

  private final ResourcePatternResolver resourcePatternResolver;

  public LoveAppDocumentLoader(ResourcePatternResolver resourcePatternResolver) {
    this.resourcePatternResolver = resourcePatternResolver;
  }

  public List<Document> loadDocuments() {
    List<Document> documents = new ArrayList<>();

    try {
      Resource[] resources = resourcePatternResolver.getResources("classpath:document/*.md");
      for (Resource resource : resources) {
        String filename = resource.getFilename();
        String status = filename.substring(filename.length() - 6, filename.length() - 4);
        MarkdownDocumentReaderConfig config = MarkdownDocumentReaderConfig.builder()
          .withHorizontalRuleCreateDocument(true)
          .withIncludeCodeBlock(false)
          .withIncludeBlockquote(false)
          .withAdditionalMetadata("filename", filename)
          .withAdditionalMetadata("status", status)
          .build();

        MarkdownDocumentReader markdownDocumentReader = new MarkdownDocumentReader(resource, config);
        documents.addAll(markdownDocumentReader.get());
      }
    } catch (IOException e) {
      log.error("markDown文档加载失败", e);
    }
    return documents;
  }
}
